ZuneShell.dll/ZuneDBApi/ESubscriptionEvent.cs

public enum ESubscriptionEvent
{
	eSubscriptionEventProcessAllRulesComplete = 5,
	eSubscriptionEventItemPlayedStatusChanged = 4,
	eSubscriptionEventItemDownloadFinished = 3,
	eSubscriptionEventItemDownloadStarted = 2,
	eSubscriptionEventRefreshFinished = 1,
	eSubscriptionEventRefreshStarted = 0
}